0000-0002-8715-2896 Ed note: Every year the BMJ and CMAJ release holiday themed pieces. Ranging from the silly (Sex, aggression, and humour: responses to unicycling) to the Very Serious (The survival time of chocolates on hospital

0000-0002-8715-2896 Ed Note: Today, we’re happy to welcome Jenn Lau to the blog. More information about Jenn can be found at the bottom of this post. Picture from Flickr user Pascal (pasukaru76). Click for source.